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What are the femur's main functions?
- It is the largest/longest/strongest bone in body
- Transfers weight from hip down to feet or from feet to hip and up the vertebral column
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What are the main anatomical features of the femur?
- Femoral neck
- Greater/Lesser trochanters
- Femoral head
- Intertrochanteric line
- Intertrochanteric crest
- Linea aspera
- Lateral/Medial condyles
- Intercondylar notch
- Later/Medial epicondyles
- AD-ductor tubercle
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Femoral neck
The weakest aspect of the femur; made of cancelous bone
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Femoral head
The rounded portion of the femur that articulates with the acetabulum
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Intertrochanteric line
The intertrochanteric line is a raised elevation on the anterior and proximal aspect of the femur that runs between the greater and lesser trochanters; it forms the base of the femoral neck
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Intertrochanteric crest
The intertrochanteric crest is a raised elevation located on the posterior and proximal aspect of the femur; together with the intertrochanteric line, it differentiates between the shaft and neck of the femur
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Linea aspera
A longitudinal ridge running down the posterior aspect of the femur that allows for the attachment of various muscles
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AD-ductor tubercle of the femur
A small, raised elevation that is superior to the medial epicondyle and is the site for the insertion of the adductor magnus
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Intercondylar notch
The area between the condyles where two ligaments, the ACL and PCL, run; the intercondylar notch is shallower in females, which makes women more prone to ACL injuries because there is less room in which the ligaments can run
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What are the most significant differences between the lateral and medial condyles of the femur?
The medial condyle is wider and longer than the lateral condyle
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When older people slip and fall, 99% of the time they break the ________.
Femoral neck made of cancelous bone
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What are the main functions of the tibia?
- It is the largest weight-bearing bone in the LOWER leg
- It articulates with femoral condyles (proximally) and talus (distally)
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What are the main anatomical features of the tibia?
- Tibial tuberosity
- Medial malleolus
- Tibia condyles
- Tibial plateau
- Tibiofemoral joint
- Talocrural joint
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Tibial tuberosity
- The location on the attachment of the quad muscles
- The site of pain caused by Osgood Schlatters - during adolescence, pain of the tibial tuberosity on the non-dominant (plant) leg caused by too much pull by the quads; it occurs on an individual's plant leg because it takes the most force of the quads
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